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https://www.readbyqxmd.com/read/28822610/evaluation-of-fever-in-the-emergency-department
#1
REVIEW
Sarah DeWitt, Summer A Chavez, Jack Perkins, Brit Long, Alex Koyfman
BACKGROUND: Fever is one of the most common complaints in the emergency department (ED) and is more complex than generally appreciated. The broad differential diagnosis of fever includes numerous infectious and non-infectious etiologies. An essential skill in emergency medicine is recognizing the pitfalls in fever evaluation. OBJECTIVE OF REVIEW: This review provides an overview of the complaint of fever in the ED to assist the emergency physician with a structured approach to evaluation...
August 14, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28821529/antibiotic-susceptibility-profiles-of-ocular-and-nasal-flora-in-patients-undergoing-cataract-surgery-in-taiwan-an-observational-and-cross-sectional-study
#2
Yun-Hsuan Lin, Yu-Chuan Kang, Chiun-Ho Hou, Yhu-Chering Huang, Chih-Jung Chen, Jwu-Ching Shu, Pang-Hsin Hsieh, Ching-Hsi Hsiao
OBJECTIVE: To investigate the conjunctival and nasal flora and the antibiotic susceptibility profiles of isolates from patients undergoing cataract surgery. DESIGN: Observational and cross-sectional study. SETTING: A single-centre study in Taiwan. PARTICIPANTS: 128 consecutive patients precataract surgery. PRIMARY AND SECONDARY OUTCOME MEASURES METHODS: Conjunctival and nasal cultures were prospectively obtained from 128 patients on the day of cataract surgery before instillation of ophthalmic solutions in our hospital...
August 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28821378/pathogens-and-outcomes-in-pediatric-septic-shock-patients-supported-by-extracorporeal-membrane-oxygenation
#3
Tu-Hsuan Chang, En-Ting Wu, Chun-Yi Lu, Shu-Chien Huang, Tzu-I Yang, Ching-Chia Wang, Jong-Min Chen, Ping-Ing Lee, Li-Min Huang, Luan-Yin Chang
BACKGROUND: Refractory septic shock is the leading cause of mortality in children. There is limited evidence to support extracorporeal membrane oxygenation (ECMO) use in pediatric septic shock. We described the etiology and outcomes of septic patients in our institution and attempted to find predictive factors. METHODS: We retrospectively reviewed 55 pediatric patients with septic shock who required ECMO support in a tertiary medical center from 2008 to 2015. Septic shock was defined as culture proved or clinical suspected sepsis with hypotension or end-organ hypoperfusion...
August 4, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28821355/oil-biodegradation-interactions-of-artificial-marine-snow-clay-particles-oil-and-corexit
#4
Shokouh Rahsepar, Alette A M Langenhoff, Martijn P J Smit, Justine S van Eenennaam, Albertinka J Murk, Huub H M Rijnaarts
During the Deepwater Horizon (DwH) oil spill, interactions between oil, clay particles and marine snow lead to the formation of aggregates. Interactions between these components play an important, but yet not well understood, role in biodegradation of oil in the ocean water. The aim of this study is to explore the effect of these interactions on biodegradation of oil in the water. Laboratory experiments were performed, analyzing respiration and n-alkane and BTEX biodegradation in multiple conditions containing Corexit, alginate particles as marine snow, and kaolin clay...
August 16, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28821251/evaluation-of-different-diagnostic-methods-for-the-detection-of-mycobacterium-avium-subsp-paratuberculosis-in-boot-swabs-and-liquid-manure-samples
#5
Nathalie Hahn, Klaus Failing, Tobias Eisenberg, Karen Schlez, Peter-Michael Zschöck, Karsten Donat, Esra Einax, Heike Köhler
BACKGROUND: Environmental sampling based on boot swabs and/or liquid manure samples is an upcoming strategy for the identification of paratuberculosis (paraTB) positive herds, but only limited data are available regarding the diagnostic performance of molecular detection methods (qPCR) versus faecal culture (FC) for this purpose. In the present study, the test characteristics of two different qPCR protocols (A and B) and a standardized FC protocol, for the detection of Mycobacterium avium subsp...
August 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28820992/bioavailability-of-dissolved-organic-nitrogen-don-in-wastewaters-from-animal-feedlots-and-storage-lagoons
#6
Jingyi Sun, Eakalak Khan, Senay Simsek, Jae-Bom Ohm, Halis Simsek
Dissolved organic nitrogen (DON) from animal wastes can contribute to pollution of surface waters. Bioavailable DON (ABDON) is a portion of DON utilized by algae with or without bacteria. This study determined DON and ABDON levels in animal wastewater collected from two different sources: an animal feedlot wastewater storage tank and a sheep wastewater storage lagoon. Inocula for the ABDON bioassays were comprised of individual species and several combinations involving two algae (Chlamydomonas reinhardtii and Chlorella vulgaris) and a mixed liquor suspended solids (MLSS) bacterial culture...
August 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820412/-to-the-state-of-the-fetoplacental-complex-in-women-with-the-threat-of-abortion
#7
L Rzaguliyeva, Z Osmanli, S Akperbekova, N Meybalizade
The goal is a comprehensive study of the morphofunctional state of the mother-placenta-fetus system in placental insufficiency and infection. 250 pregnant and puerperas for the period 2008-2014 were examined. Detection of bacterial flora was carried out in 35 pregnant women aged 20.4±0.8 years with the threat of abortion from an early gestation period and a prolonged persistent infection of the genitals, bacterial vaginosis. Methods are applied: culture, ion chromatography, gas-liquid chromatography with mass spectrometry...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28820298/surveillance-for-hemorrhagic-septicemia-in-buffalo-bubalus-bubalis-as-an-aid-to-range-expansion-of-the-javan-rhinoceros-rhinoceros-sondaicus-in-ujung-kulon-national-park-indonesia
#8
Kurnia Oktavia Khairani, Daryl Nydam, M Julia Felippe, Pat McDonough, Jason Barry, Rois Mahmud, M Haryono, Robin W Radcliffe
The Javan rhinoceros (Rhinoceros sondaicus) of Ujung Kulon National Park (UKNP) is the crown jewel of Indonesia's rich natural history. The park lies on a peninsula surrounded by coastline and agriculture-dominated landscapes. The invasion of water buffalo (Bubalus bubalis) into the park carries a substantial health risk to the Javan rhinoceros and threatens plans to establish a new population outside of its only current range in UKNP. Hemorrhagic septicemia (HS), known locally as septicemia epizootica and caused by Pasteurella multocida B:2, could thwart Indonesia's efforts to expand the range of the Javan rhinoceros...
August 18, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28820134/patterns-of-human-plague-in-uganda-2008-2016
#9
Joseph D Forrester, Titus Apangu, Kevin Griffith, Sarah Acayo, Brook Yockey, John Kaggwa, Kiersten J Kugeler, Martin Schriefer, Christopher Sexton, C Ben Beard, Gordian Candini, Janet Abaru, Bosco Candia, Jimmy Felix Okoth, Harriet Apio, Lawrence Nolex, Geoffrey Ezama, Robert Okello, Linda Atiku, Joseph Mpanga, Paul S Mead
Plague is a highly virulent fleaborne zoonosis that occurs throughout many parts of the world; most suspected human cases are reported from resource-poor settings in sub-Saharan Africa. During 2008-2016, a combination of active surveillance and laboratory testing in the plague-endemic West Nile region of Uganda yielded 255 suspected human plague cases; approximately one third were laboratory confirmed by bacterial culture or serology. Although the mortality rate was 7% among suspected cases, it was 26% among persons with laboratory-confirmed plague...
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28820099/hymenobacter-pallidus-sp-nov-isolated-from-a-freshwater-fish-culture-pond
#10
Shih-Yi Sheu, Yi-Shu Li, Chiu-Chung Young, Wen-Ming Chen
A bacterial strain designated LYH-12T was isolated from a freshwater fish culture pond in Taiwan, ROC and characterized by taking a polyphasic taxonomy approach. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain LYH-12T belonged to the genus Hymenobacter and was most closely related to Hymenobacter xinjiangensis X2-1gT and Hymenobacter rigui WPCB131T with a sequence similarity of 96.6 % and less than 96.5 % with other members of the genus. Cells of strain LYH-12T were Gram-stain-negative, aerobic, non-motile rods that were covered by large capsules and formed light pink-coloured colonies...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820086/stenotrophomonas-bentonitica-sp-nov-isolated-from-bentonite-formations
#11
Iván Sánchez-Castro, Miguel Angel Ruiz-Fresneda, Mohammed Bakkali, Peter Kämpfer, Stefanie P Glaeser, Hans Jürgen Busse, Margarita López-Fernández, Pablo Martínez-Rodríguez, Mohamed Larbi Merroun
A Gram-stain negative, rod-shaped, aerobic bacterial strain, BII-R7T, was isolated during a study targeting the culture-dependent microbial diversity occurring in bentonite formations from southern Spain. Comparative 16S rRNA gene sequence analysis showed that BII-R7T represented a member of the genus Stenotrophomonas (class Gammaproteobacteria), and was related most closely to Stenotrophomonas rhizophila e-p10T (99.2 % sequence similarity), followed by Stenotrophomonas pavanii ICB 89T (98.5 %), Stenotrophomonas maltophilia IAM 12423T, Stenotrophomonas chelatiphaga LPM-5T and Stenotrophomonas tumulicola T5916-2-1bT (all 98...
August 18, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28820042/biodegradation-of-remazol-brilliant-blue-r-using-isolated-bacterial-culture-staphylococcus-sp-k2204
#12
Velayutham Karthikeyan, Madhava Anil Kumar, Pushparaj Mohanapriya, Thanarasu Amudha, Devaraj Thiruselvi, Periyasamy Karthik, Subramanian Sivanesan
Staphylococcus sp. K2204, a bacterial isolate, was employed in this work to decolorize Remazol Brilliant Blue R (RBBR), which belongs to the anthraquinone class of textile dye. Staphylococcus sp. K2204 biodegraded 100 mg/L RBBR at 37°C, under static condition with the help of extracellular laccase and peroxidases. The products of RBBR degradation were characterized using analytical tools including mass spectral technique. The phytotoxicity tests evaluated the toxicity of RBBR and the products of biodegradation...
August 18, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28820031/elimination-of-mycobacterium-chimaera-in-a-heater-cooler-device-used-during-on-pump-cardiothoracic-surgery
#13
Conny Nielsen, Conni L Winther, Philip K Thomsen, Jan J Andreasen
Since 2014, several infections with non-tuberculous mycobacteria (NTM) belonging to the species Mycobacterium ( M.) chimaera have been associated with the use of heater-cooler devices during on-pump cardiothoracic surgery both in European countries and the United States of America. Infections have been detected after surgery, with a delay of a few months and up to five years. Bacterial contamination of heater-cooler devices has also been described without any associated infections. In many centres, it has been a challenging task to eliminate NTM from the heater-cooler devices in order to reduce the risk to patients...
September 2017: Perfusion
https://www.readbyqxmd.com/read/28819098/protection-and-consolidation-of-stone-heritage-by-self-inoculation-with-indigenous-carbonatogenic-bacterial-communities
#14
Fadwa Jroundi, Mara Schiro, Encarnación Ruiz-Agudo, Kerstin Elert, Inés Martín-Sánchez, María Teresa González-Muñoz, Carlos Rodriguez-Navarro
Enhanced salt weathering resulting from global warming and increasing environmental pollution is endangering the survival of stone monuments and artworks. To mitigate the effects of these deleterious processes, numerous conservation treatments have been applied that, however, show limited efficacy. Here we present a novel, environmentally friendly, bacterial self-inoculation approach for the conservation of stone, based on the isolation of an indigenous community of carbonatogenic bacteria from salt damaged stone, followed by their culture and re-application back onto the same stone...
August 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28818809/differential-oxidative-and-antioxidative-response-of-duckweed-lemna-minor-toward-plant-growth-promoting-inhibiting-bacteria
#15
Hidehiro Ishizawa, Masashi Kuroda, Masaaki Morikawa, Michihiko Ike
Bacteria colonizing the plant rhizosphere are believed to positively or negatively affect the host plant productivity. This feature has inspired researchers to engineer such interactions to enhance crop production. However, it remains to be elucidated whether rhizobacteria influences plant oxidative stress vis-a-vis other environmental stressors, and whether such influence is associated with their growth promoting/inhibiting ability. In this study, two plant growth-promoting bacteria (PGPB) and two plant growth-inhibiting bacteria (PGIB) were separately inoculated into axenic duckweed (Lemna minor) culture under laboratory conditions for 4 and 8 days in order to investigate their effects on plant oxidative stress and antioxidant activities...
August 9, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28818589/elimination-of-fungicides-in-biopurification-systems-effect-of-fungal-bioaugmentation-on-removal-performance-and-microbial-community-structure
#16
Sergio Murillo-Zamora, Víctor Castro-Gutiérrez, Mario Masís-Mora, Verónica Lizano-Fallas, Carlos E Rodríguez-Rodríguez
Bioaugmentation with ligninolytic fungi represents a potential way to improve the performance of biomixtures used in biopurification systems for the treatment of pesticide-containing agricultural wastewater. The fungus Trametes versicolor was employed in the bioaugmentation of a biomixture to be used in the simultaneous removal of seven fungicides. Liquid cultures of the fungus were able to remove tebuconazole, while no evidence of carbendazim, metalaxyl and triadimenol depletion was found. When applied in the biomixture, the bioaugmented matrix failed to remove all the triazole fungicides (including tebuconazole) under the assayed conditions, but was efficient to eliminate carbendazim, edifenphos and metalaxyl (the latter only after a second pesticide application)...
August 1, 2017: Chemosphere
https://www.readbyqxmd.com/read/28818544/trends-in-antimicrobial-resistance-in-bloodstream-infection-isolates-at-a-large-urban-hospital-in-malawi-1998-2016-a-surveillance-study
#17
Patrick Musicha, Jennifer E Cornick, Naor Bar-Zeev, Neil French, Clemens Masesa, Brigitte Denis, Neil Kennedy, Jane Mallewa, Melita A Gordon, Chisomo L Msefula, Robert S Heyderman, Dean B Everett, Nicholas A Feasey
BACKGROUND: Bacterial bloodstream infection is a common cause of morbidity and mortality in sub-Saharan Africa, yet few facilities are able to maintain long-term surveillance. The Malawi-Liverpool-Wellcome Trust Clinical Research Programme has done sentinel surveillance of bacteraemia since 1998. We report long-term trends in bloodstream infection and antimicrobial resistance from this surveillance. METHODS: In this surveillance study, we analysed blood cultures that were routinely taken from adult and paediatric patients with fever or suspicion of sepsis admitted to Queen Elizabeth Central Hospital, Blantyre, Malawi from 1998 to 2016...
August 14, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28817943/-maldi-tof-ms-comparison-of-blood-culture-positive-bottle-pretreatment-kit
#18
Takenori Yamashita
Identification of bacteria of sepsis or bacteremia is a useful result for treatment policy. In recent years, bacterial identification has become possible from blood culture bottles by MALDI‒TOF, but it is not as accurate as bacterial identification from agar colonies. Blood culture pretreatment kit (MALDI Sepcityper Kit) is currently on sale from Bruker. However, the current situation has not reached good accuracy. This time, a new blood culture pretreatment kit appeared, so I studied. Up to now, the blood culture pretreatment kit was only MALDI Sepcityper Kit using enzyme digestion method...
August 15, 2017: JARMAM: Journal of the Association for Rapid Method and Automation in Microbiology
https://www.readbyqxmd.com/read/28817941/-a-case-of-severe-legionella-longbeachae-pneumonia-and-usefulness-of-lamp-assay
#19
Kumiko Matsushita, Kohei Hijikuro, Shohei Arita, Yu Kaneko, Masahiro Isozaki
Urinary antigen test is frequently used as a routine laboratory test for early diagnosis of Legionella infection, which is especially suitable for ordinary Legionella pneumophila serogroup 1, but not for other types of Legionella. We report a case of severe pneumonia caused by Legionella longbeachae, where a method of loop-mediated isothermal amplification (LAMP) assay contributed an important role for the early detection. This case involved an 83-year-old man who developed fever, dyspnea, and productive cough...
August 15, 2017: JARMAM: Journal of the Association for Rapid Method and Automation in Microbiology
https://www.readbyqxmd.com/read/28816966/causes-of-hematochezia-and-hemorrhagic-antibiotic-associated-colitis-in-children-and-adolescents
#20
Laura Stampfer, Andrea Deutschmann, Elisabeth Dür, Franz G Eitelberger, Theresia Fürpass, Gregor Gorkiewicz, Peter Heinz-Erian, Ingrid Heller, Kathrin Herzog, Barbara Hopfer, Reinhold Kerbl, Evelyn Klug, Robert Krause, Eva Leitner, Christoph Mache, Thomas Müller, Jasmin Pansy, Mirjam Pocivalnik, Eva Scheuba, Georg Schneditz, Gerolf Schweintzger, Edith Sterniczky, Ellen Zechner, Almuthe C Hauer, Christoph Högenauer, Karl Martin Hoffmann
Diseases causing hematochezia range from benign to potentially life-threatening. Systematic pediatric data on the causes of hematochezia are scarce. We studied the underlying causes and long-term outcome of hematochezia in children. We further investigated the relevance of antibiotic-associated hemorrhagic colitis in children, especially if caused by Klebsiella oxytoca.Infants, children, and adolescents with hematochezia were recruited prospectively. Patients were grouped according to age (<1 year, 1-5 years, 6-13 years, >14 years)...
August 2017: Medicine (Baltimore)
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